''Syntomodrillia hypsela'' is a
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
of
sea snail, a marine
gastropod mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...
in the
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Drilliidae
The Drilliidae are a taxonomic family of small predatory sea snails with high-spired shells. They are classified as marine gastropod mollusks in the superfamily Conoidea.
This family has no subfamilies. It consists of about 30 genera and approxi ...
.
[Bouchet, P. (2016). Syntomodrillia hypsela (Watson, 1881). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=872240 on 2016-11-20]
Description
The length of the shell attains 4.8 mm.
(Original description) The high, narrow shell has a conical shape. It contains 6 very short
whorl
A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs).
Whorls in nature
File:Photograph and axial plane flo ...
s. The
body whorl is exceptionally small, with a short conical base and very small snout. The suture is
very slight, but extremely oblique. The
apex
The apex is the highest point of something. The word may also refer to:
Arts and media Fictional entities
* Apex (comics), a teenaged super villainess in the Marvel Universe
* Ape-X, a super-intelligent ape in the Squadron Supreme universe
*Apex, ...
is blunt and rounded. There are narrow, high, rounded, curved, and very oblique ribs, which run continuously from the apex to the point of the base, but not to the snout. There are obsolete spiral striae, which become stronger on the point of the
columella
Lucius Junius Moderatus Columella (; Arabic: , 4 – ) was a prominent writer on agriculture in the Roman Empire.
His ' in twelve volumes has been completely preserved and forms an important source on Roman agriculture, together with the ...
. The original specimen of this very marked species is in too bad condition for more minute description.
Watson, R.B. (1886) Report on the Scaphopoda and Gasteropoda collected by the H. M. S. Challenger during the years 1873–76. Report on the Scientific Results of the Voyage of the ‘Challenger’ (Zoology), 15, 1–756, 50 pls
/ref>
Distribution
This marine species occurs off Pernambuco
Pernambuco () is a state of Brazil, located in the Northeast region of the country. With an estimated population of 9.6 million people as of 2020, making it seventh-most populous state of Brazil and with around 98,148 km², being the ...
, Brasil.
References
External links
Gastropods.com: ''Syntomodrillia hypsel''a
Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda)''. Zootaxa 682:1–1295
Fallon P.J. (2016). ''Taxonomic review of tropical western Atlantic shallow water Drilliidae (Mollusca: Gastropoda: Conoidea) including descriptions of 100 new species.'' Zootaxa. 4090(1): 1–363
{{DEFAULTSORT:Syntomodrillia Hypsela
hypsela
Gastropods described in 1881